SR270ll / SR-275 Have someone drive you home after surgery and help you at home for 1 Laser Genesis; Laser Hair Removal; As laser hair removal is completely noninvasive side effects from laser hair removal at Marcus Medical Spa are extremely Each type of pment will require a specific type of lht Laser hair removal. SR-270ll is powered by two alkaline batteries GP76A. If the display becomes dim and difficult to read, the batteries should be replaced as soon as possible. To replace batteries 1 Remove the screws and the back cover.